Dr Martyak

Lenna Martyak, MD

Gastroenterology

Accepting New Patients

About Lenna Martyak, MD   

Lenna A. Martyak, MD, is certified by the American Board of Internal Medicine in Gastroenterology. She earned her medical education at the Georgetown University School of Medicine in Washington, D.C. It was here where her passion grew for community service. She has volunteered in various projects since early on, and she has been a part of several community organizations. For example, Dr. Martyak started a committee to encourage other medical students to participate in community activities. She helped to open a shelter for homeless women and children in Washington, DC, and she mentored teenage girls at the Boys and Girls Club.   

Dr. Martyak’s medical services include Luminal diseases of the GI tract, and she is known for her warm bedside manner and excellent listening skills. She is extremely excited to be a part of the Southern California Medical Gastroenterology Group and the practice of gastroenterology in Santa Monica. When she is not working in her office, you can often find her providing services to patients at the Venice Family Clinic free of charge.   

Dr. Martyak is a dedicated educator, and she spends a substantial amount of her spare time training medical students and residents at various hospitals throughout the Los Angeles area. Through these and other projects, Dr. Martyak exemplifies our philosophy of giving back to the community.  

For fun, Dr. Martyak enjoys getting outdoors. She enjoys hiking, bodyboarding, snowboarding, and spending time with her husband and family.  

My physician is always on top regarding my health concerns. An excellent physician.

Real Patient
Lenna Martyak, M.D

Selected: Up Next:

Lenna Martyak, MD 
Digestive Health

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Digestive Health
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Medical Service

Digestive Health

Locations

1301 20th St., Suite 280,
Santa Monica, CA 90404
(310) 829-6789

12555 West Jefferson Blvd., Suite 303,
Los Angeles, CA 90066
(424) 443-5530

Education

Medical School
Georgetown University School of Medicine, Washington, D.C.

Languages

English

Reviews

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As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.

  • 4.9
  • 179 Reviews
  • 367 Comments
  • 5
05/19/2026

So professional and friendly and compassionate.

Providence Patient
  • 5
05/15/2026

Always good to see Dr. Martyak.

Providence Patient
  • 5
05/12/2026

Thorough explanation and answers to my questions

Providence Patient
  • 5
05/08/2026

Dr. Martyak is an excellent doctor. I feel she is always looking out for me with all my medical needs.

Providence Patient
  • 5
05/08/2026

DR. MARTYAK IS THE BEST. I'VE BEEN SEEING HER FOR YEARS AND SHE'S ALWAYS BEEN EXCEPTIONAL

Providence Patient
  • 5
05/07/2026

Dr Martyak resolved a medical question for me in an intelligent and considerate manner. I am gratefulThat I am in her care.

Providence Patient
  • 5
05/04/2026

I consider Dr. Martyak as an expert in her field as well as a friendly and personable doctor that inspires confidence, I am very grateful to have her as our GI doctor, not just myself but my wife and son as well as others that we have referred her to.

Providence Patient
  • 5
04/28/2026

Dr Martyak is the best doctor. I am lucky to have her as my doctor.

Providence Patient
  • 5
04/05/2026

This doctor is lovely and explained things to me clearly. I'm happy to have her as part of my medical team.

Providence Patient
  • 5
03/30/2026

Dr. Martyak is the best of the best. I wish all doctors were like her. I'm grateful.

Providence Patient